Meteorological Observations. xxxiii 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 



in the month of May, 1865. 

 Latitude 22° 33' 1" North. Longitude 88° 2a' 34" East. 

 Height of the Cistern of the Standard Barometer above the Sea-level, 18 ft. 11 in- 

 Daily Means, &c. of the Observations and of the Hygrometrical elements 

 dependent thereon. 





eight of 

 rometer 

 Faht. 



Range of the Barometer 

 during the day. 



3 2 

 r> o 



Range of the Terr 

 ture during the 



pera- 

 day. 













a a 









Date. 

















-. ■ -Z - 



Max. 



Min. 



DifT. 





Max. 



Min. 



Diff. 





g 









■ & 











Inches. 



Indies. 



Inches. 



Inches. 



















1 



29.542 1 



29.609 



29.452 



0.157 



84.9 



92.0 



77.6 



14.4 



2 



.608 



.673 



.551 



.122 



85.6 



92.6 



79.4 



13.2 



3 



.557 



,.625 



.438 



.187 



85.9 



92.6 



78.4 



14.2 



4 



.506 



.589 



.447 



.142 



87.4 



92.6 



83.2 



9.4 



5 



.545 



.657 



.476 



.181 



87.0 



94 8 



80.3 



14.5 



6 



.682 



.806 



.590 



.216 



81.9 



93.4 



73.0 



20.4 



7 



Sunday. 

















8 



.Ho 



.745 



.593 



.152 



79.8 



85.6 



77.0 



8.6 



9 



.619 



.678 



.534 



.144 



81.9 



89.8 



74.9 



14.9 



10 



.643 



.739 



.589 



.150 



79.3 



86 3 



73.0 



13.3 



11 



.610 



.669 



.521 



.148 



84.0 



90.5 



78.0 



12.5 



12 



.729 



.824 



.639 



.185 



79.8 



86.6 



73.0 



13 6 



13 



.799 



.854 



.725 



.129 



83.3 



89.0 



77.0 



12.0 



14 



Sunday. 

















15 



.707 



.781 



.598 



.183 



86.1 



92.5 



80.2 



123 



16 



.712 



.775 



.639 



.136 



84.1 



92.0 



75.6 



16.4 



17 



.754 



.826 



.684 



.142 



84.0 



92.1 



76.8 



15.3 



18 



.764 



.823 



.701 



.122 



86.4 



92.4 



79.6 



12.8 



19 



.786 



.851 



.716 



.135 



86.6 



93.2 



82.0 



11.2 



20 



.767 



.844 



.674 



.170 



85.2 



92.6 



78.4 



14.2 



21 



Shmday.^ 

















22 



.787 



.831 



.750 



.081 



79.8 



87.8 



76.6 



11.2 



23 



.771 



.844 



.709 



.135 



82.4 



90.0 



77.1 



12.9 



24 



.705 



.785 



.605 



.180 



82.1 



88.2 



76.8 



11.4 



25 



.639 



.692 



.543 



.149 



78.8 



84.6 



76.8 



7.8 



26 



.622 



.681 



.582 



.099 



81.1 



86.3 



78.0 



8.3 



27 



.617 



.652 



.565 



.087 



82.3 



88.5 



79.0 



9.5 



28 



Sunday. 

















29 



.487 



.549 



.427 



.122 



84.6 



92.2 



81.3 



10.9 



30 



.459 



.501 



.415 



.086 



85.1 



9J.5 



80.6 



10.9 



31 



.486 



.520 



.442 



.078 



83.4 



87.8 



81.4 



6.4 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther- 

 mometer Means are derived from the hourly Observations made during the day. 



